{"id":"CVE-2026-80703","title":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd …","severity":"medium","published":"2026-08-28","updated":"2026-08-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80703","references":[{"url":"https://git.kernel.org/stable/c/4070909ac042f44654aac72f7986ea550c96f591","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/99b2fe4f19e3be0a8d0a0b5ea98d855970889653","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9e52212aff8ed1fd9087728f61243ce3efd9d0ac","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b8c05061997408bf81759f2dd31cd5f66771d15f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ce813614f63b020a826071276a92f2cfae7cba79","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80703.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80703"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2525461"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80703"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80703"},{"url":"https://lore.kernel.org/linux-cve-announce/2026082806-CVE-2026-80703-8906@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat"],"epss":0.00156,"epssPercentile":0.04725,"ingestedAt":"2026-08-30T07:49:06.057Z","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 6","enterprise_linux 7","enterprise_linux 8","enterprise_linux 9"],"cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-1220"],"slug":"CVE-2026-80703","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE\n\nPrevent unauthorized termination of active GPU debug sessions.\nPreviously, users with /dev/kfd access could terminate another process's\ndebug session without proper ownership or ptrace authorization.\n\n(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-17 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80703.json)","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":224356,"id":"CVE-2026-80703","ts":1792325104323,"field":"cvss","old":null,"new":"5.5"},{"seq":224355,"id":"CVE-2026-80703","ts":1792325104323,"field":"severity","old":"none","new":"medium"}]}